Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a0ca95a9cfe419ff7fa50f8e81fbf94485b9e6412992d6a29e3b88c44cf10b28:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^